Common Weakness Enumeration
CWE-457
AllowedUse of Uninitialized Variable
Abstraction: Variant · Status: Draft
The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
297 vulnerabilities reference this CWE, most recent first.
CVE-2025-64181 (GCVE-0-2025-64181)
Vulnerability from cvelistv5 – Published: 2025-11-10 21:23 – Updated: 2025-11-12 21:05
VLAI
EPSS
VEX
Title
OpenEXR Makes Use of Uninitialized Memory
Summary
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.5 and 3.4.0 through 3.4.2, while fuzzing `openexr_exrcheck_fuzzer`, Valgrind reports a conditional branch depending on uninitialized data inside `generic_unpack`. This indicates a use of uninitialized memory. The issue can result in undefined behavior and/or a potential crash/denial of service. Versions 3.3.6 and 3.4.3 fix the issue.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/AcademySoftwareFoundation/open… | x_refsource_CONFIRM |
| https://github.com/user-attachments/files/2302472… | x_refsource_MISC |
| https://github.com/user-attachments/files/2302473… | x_refsource_MISC |
| https://github.com/user-attachments/files/2302474… | x_refsource_MISC |
| https://github.com/user-attachments/files/2302474… | x_refsource_MISC |
| https://github.com/user-attachments/files/2302474… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AcademySoftwareFoundation | openexr |
Affected:
>= 3.3.0, < 3.3.6
Affected: >= 3.4.0, < 3.4.3 |
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CVE-2025-59348 (GCVE-0-2025-59348)
Vulnerability from cvelistv5 – Published: 2025-09-17 19:30 – Updated: 2025-09-17 19:45
VLAI
EPSS
VEX
Title
Dragonfly incorrectly handles a task structure’s usedTraffic field
Summary
Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, the processPieceFromSource method does not update the structure’s usedTraffic field, because an uninitialized variable n is used as a guard to the AddTraffic method call, instead of the result.Size variable. A task is processed by a peer. The usedTraffic metadata is not updated during the processing. Rate limiting is incorrectly applied, leading to a denial-of-service condition for the peer. This vulnerability is fixed in 2.1.0.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/dragonflyoss/dragonfly/securit… | x_refsource_CONFIRM |
| https://github.com/dragonflyoss/dragonfly/blob/ma… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| dragonflyoss | dragonfly |
Affected:
< 2.1.0
|
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CVE-2025-58466 (GCVE-0-2025-58466)
Vulnerability from cvelistv5 – Published: 2026-02-11 12:16 – Updated: 2026-02-11 16:54
VLAI
EPSS
VEX
Title
QTS, QuTS hero
Summary
A use of uninitialized variable vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to denial of service conditions, or modify control flow in unexpected ways.
We have already fixed the vulnerability in the following versions:
QTS 5.2.8.3332 build 20251128 and later
QuTS hero h5.2.8.3321 build 20251117 and later
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| QNAP Systems Inc. | QTS |
Affected:
5.2.x , < 5.2.8.3332 build 20251128
(custom)
|
|
| QNAP Systems Inc. | QuTS hero |
Affected:
h5.2.x , < h5.2.8.3321 build 20251117
(custom)
|
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CVE-2025-58071 (GCVE-0-2025-58071)
Vulnerability from cvelistv5 – Published: 2025-10-15 15:19 – Updated: 2026-02-26 16:57
VLAI
EPSS
VEX
Title
BIG-IP IPSec vulnerability
Summary
When IPsec is configured on the BIG-IP system, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000156746 | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| F5 | BIG-IP |
Affected:
17.5.0 , < 17.5.1
(custom)
Affected: 17.1.0 , < 17.1.3 (custom) Affected: 16.1.0 , < 16.1.6.1 (custom) Affected: 15.1.0 , < 15.1.10.8 (custom) |
|
| F5 | BIG-IP Next CNF |
Affected:
2.0.0 , < *
(custom)
Affected: 1.1.0 , < * (custom) |
|
| F5 | BIG-IP Next for Kubernetes |
Affected:
2.0.0 , < *
(custom)
|
Date Public
2025-10-15 14:00
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CVE-2025-54874 (GCVE-0-2025-54874)
Vulnerability from cvelistv5 – Published: 2025-08-05 14:33 – Updated: 2026-02-26 17:49
VLAI
EPSS
VEX
Title
OpenJPEG allows OOB heap memory write in opj_jp2_read_header
Summary
OpenJPEG is an open-source JPEG 2000 codec. In OpenJPEG from 2.5.1 through 2.5.3, a call to opj_jp2_read_header may lead to OOB heap memory write when the data stream p_stream is too short and p_image is not initialized.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/uclouvain/openjpeg/commit/f809… | x_refsource_CONFIRM |
| https://github.com/uclouvain/openjpeg/pull/1573 | x_refsource_MISC |
| https://securitylab.github.com/advisories/GHSL-20… | x_refsource_MISC |
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CVE-2025-53644 (GCVE-0-2025-53644)
Vulnerability from cvelistv5 – Published: 2025-07-17 17:58 – Updated: 2025-09-26 21:56
VLAI
EPSS
VEX
Title
OpenCV contains a use after free buffer write due to an uninitialized pointer
Summary
OpenCV is an Open Source Computer Vision Library. Versions 4.10.0 and 4.11.0 have an uninitialized pointer variable on stack that may lead to arbitrary heap buffer write when reading crafted JPEG images. Version 4.12.0 fixes the vulnerability.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://securitylab.github.com/advisories/GHSL-20… | x_refsource_CONFIRM |
| https://github.com/opencv/opencv/issues/27271 | x_refsource_MISC |
| https://github.com/opencv/opencv/commit/a39db4139… | x_refsource_MISC |
| https://github.com/opencv/opencv/releases/tag/4.12.0 | x_refsource_MISC |
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CVE-2025-47348 (GCVE-0-2025-47348)
Vulnerability from cvelistv5 – Published: 2026-01-06 22:48 – Updated: 2026-01-07 16:15
VLAI
EPSS
VEX
Title
Use of Uninitialized Variable in HLOS
Summary
Memory corruption while processing identity credential operations in the trusted application.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Qualcomm, Inc. | Snapdragon |
Affected:
AQT1000
Affected: AR8035 Affected: CSRA6620 Affected: CSRA6640 Affected: FastConnect 6200 Affected: FastConnect 6700 Affected: FastConnect 6800 Affected: FastConnect 6900 Affected: FastConnect 7800 Affected: QAM8255P Affected: QAM8295P Affected: QAM8620P Affected: QAM8650P Affected: QAM8775P Affected: QAMSRV1H Affected: QAMSRV1M Affected: QCA6174A Affected: QCA6391 Affected: QCA6574 Affected: QCA6574A Affected: QCA6574AU Affected: QCA6584AU Affected: QCA6595 Affected: QCA6595AU Affected: QCA6678AQ Affected: QCA6688AQ Affected: QCA6696 Affected: QCA6698AQ Affected: QCA6698AU Affected: QCA6797AQ Affected: QCA8081 Affected: QCA8337 Affected: QCC710 Affected: QCM2290 Affected: QCM4490 Affected: QCM5430 Affected: QCM6125 Affected: QCM6490 Affected: QCM8550 Affected: QCN6024 Affected: QCN6224 Affected: QCN6274 Affected: QCN9011 Affected: QCN9012 Affected: QCN9024 Affected: QCS2290 Affected: QCS4490 Affected: QCS5430 Affected: QCS6125 Affected: QCS615 Affected: QCS6490 Affected: QCS8550 Affected: QCS9100 Affected: QDU1010 Affected: QDX1010 Affected: QDX1011 Affected: QEP8111 Affected: QFW7114 Affected: QFW7124 Affected: QMP1000 Affected: Qualcommr Video Collaboration VC1 Platform Affected: Qualcommr Video Collaboration VC3 Platform Affected: Robotics RB2 Platform Affected: SA4150P Affected: SA4155P Affected: SA6145P Affected: SA6150P Affected: SA6155P Affected: SA7255P Affected: SA7775P Affected: SA8145P Affected: SA8150P Affected: SA8155P Affected: SA8195P Affected: SA8255P Affected: SA8295P Affected: SA8540P Affected: SA8620P Affected: SA8650P Affected: SA8770P Affected: SA8775P Affected: SA9000P Affected: SC8380XP Affected: SD 8 Gen1 5G Affected: SD855 Affected: SD865 5G Affected: SDX61 Affected: SG4150P Affected: SG8275 Affected: SG8275P Affected: SM4635 Affected: SM6225P Affected: SM6475 Affected: SM6650 Affected: SM6650P Affected: SM7250P Affected: SM7325P Affected: SM7435 Affected: SM7550 Affected: SM7550P Affected: SM7635 Affected: SM7635P Affected: SM7675 Affected: SM7675P Affected: SM8475P Affected: SM8550P Affected: SM8635 Affected: SM8635P Affected: SM8650Q Affected: SM8735 Affected: SM8750 Affected: SM8750P Affected: Smart Audio 400 Platform Affected: Snapdragon 4 Gen 1 Mobile Platform Affected: Snapdragon 4 Gen 2 Mobile Platform Affected: Snapdragon 460 Mobile Platform Affected: Snapdragon 480 5G Mobile Platform Affected: Snapdragon 480+ 5G Mobile Platform (SM4350-AC) Affected: Snapdragon 6 Gen 1 Mobile Platform Affected: Snapdragon 662 Mobile Platform Affected: Snapdragon 680 4G Mobile Platform Affected: Snapdragon 685 4G Mobile Platform (SM6225-AD) Affected: Snapdragon 690 5G Mobile Platform Affected: Snapdragon 695 5G Mobile Platform Affected: Snapdragon 7 Gen 1 Mobile Platform Affected: Snapdragon 7+ Gen 2 Mobile Platform Affected: Snapdragon 720G Mobile Platform Affected: Snapdragon 765 5G Mobile Platform (SM7250-AA) Affected: Snapdragon 765G 5G Mobile Platform (SM7250-AB) Affected: Snapdragon 768G 5G Mobile Platform (SM7250-AC) Affected: Snapdragon 778G 5G Mobile Platform Affected: Snapdragon 778G+ 5G Mobile Platform (SM7325-AE) Affected: Snapdragon 782G Mobile Platform (SM7325-AF) Affected: Snapdragon 7c+ Gen 3 Compute Affected: Snapdragon 8 Gen 1 Mobile Platform Affected: Snapdragon 8 Gen 2 Mobile Platform Affected: Snapdragon 8 Gen 3 Mobile Platform Affected: Snapdragon 8+ Gen 1 Mobile Platform Affected: Snapdragon 8+ Gen 2 Mobile Platform Affected: Snapdragon 855 Mobile Platform Affected: Snapdragon 855+/860 Mobile Platform (SM8150-AC) Affected: Snapdragon 865 5G Mobile Platform Affected: Snapdragon 865+ 5G Mobile Platform (SM8250-AB) Affected: Snapdragon 870 5G Mobile Platform (SM8250-AC) Affected: Snapdragon 888 5G Mobile Platform Affected: Snapdragon 888+ 5G Mobile Platform (SM8350-AC) Affected: Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB) Affected: Snapdragon AR1 Gen 1 Platform Affected: Snapdragon AR1 Gen 1 Platform "Luna1" Affected: Snapdragon AR2 Gen 1 Platform Affected: Snapdragon Auto 5G Modem-RF Gen 2 Affected: Snapdragon X32 5G Modem-RF System Affected: Snapdragon X35 5G Modem-RF System Affected: Snapdragon X55 5G Modem-RF System Affected: Snapdragon X65 5G Modem-RF System Affected: Snapdragon X72 5G Modem-RF System Affected: Snapdragon X75 5G Modem-RF System Affected: Snapdragon XR1 Platform Affected: Snapdragon XR2 5G Platform Affected: Snapdragon XR2+ Gen 1 Platform Affected: SRV1H Affected: SRV1L Affected: SRV1M Affected: SSG2115P Affected: SSG2125P Affected: SXR1120 Affected: SXR1230P Affected: SXR2230P Affected: SXR2250P Affected: SXR2330P Affected: SXR2350P Affected: WCD9326 Affected: WCD9335 Affected: WCD9340 Affected: WCD9341 Affected: WCD9370 Affected: WCD9371 Affected: WCD9375 Affected: WCD9378 Affected: WCD9380 Affected: WCD9385 Affected: WCD9390 Affected: WCD9395 Affected: WCN3910 Affected: WCN3950 Affected: WCN3980 Affected: WCN3988 Affected: WCN6650 Affected: WCN6740 Affected: WCN6755 Affected: WCN7750 Affected: WCN7860 Affected: WCN7861 Affected: WCN7880 Affected: WCN7881 Affected: WSA8810 Affected: WSA8815 Affected: WSA8830 Affected: WSA8832 Affected: WSA8835 Affected: WSA8840 Affected: WSA8845 Affected: WSA8845H |
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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{
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CVE-2025-40575 (GCVE-0-2025-40575)
Vulnerability from cvelistv5 – Published: 2025-05-13 09:38 – Updated: 2025-07-08 10:34
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in SCALANCE LPE9403 (6GK5998-3GS00-2AC2) (All versions < V4.0 HF0). Affected devices do not properly validate incoming Profinet packets.
An unauthenticated remote attacker can exploit this flaw by sending a specially crafted malicious packet, which leads to a crash of the dcpd
process.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SCALANCE LPE9403 |
Affected:
0 , < V4.0 HF0
(custom)
|
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CVE-2025-32467 (GCVE-0-2025-32467)
Vulnerability from cvelistv5 – Published: 2026-02-10 16:25 – Updated: 2026-02-10 17:32
VLAI
EPSS
VEX
Summary
Use of uninitialized variable for some TDX Module before version tdx1.5 within Ring 0: Hypervisor may allow an information disclosure. Authorized adversary with a privileged user combined with a high complexity attack may enable data exposure. This result may potentially occur via local access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (none) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Severity
4.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- Information Disclosure
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | TDX Module |
Affected:
before version tdx1.5
|
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CVE-2025-29952 (GCVE-0-2025-29952)
Vulnerability from cvelistv5 – Published: 2026-02-10 19:09 – Updated: 2026-02-10 21:06
VLAI
EPSS
VEX
Summary
Improper Initialization within the AMD Secure Encrypted Virtualization (SEV) firmware can allow an admin privileged attacker to corrupt RMP covered memory, potentially resulting in loss of guest memory integrity
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| AMD | AMD EPYC™ 9005 Series Processors |
Unaffected:
TurinPI 1.0.0.6
|
|
| AMD | AMD EPYC™ Embedded 9005 Series Processors |
Unaffected:
EmbTurinPI-SP5_1.0.0.1
|
Date Public
2026-02-10 19:05
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Mitigation MIT-57
Implementation
Strategy: Attack Surface Reduction
Ensure that critical variables are initialized before first use [REF-1485].
Mitigation
Build and Compilation
Strategy: Compilation or Build Hardening
Most compilers will complain about the use of uninitialized variables if warnings are turned on.
Mitigation
Implementation
Operation
When using a language that does not require explicit declaration of variables, run or compile the software in a mode that reports undeclared or unknown variables. This may indicate the presence of a typographic error in the variable's name.
Mitigation
Requirements
Strategy: Language Selection
Choose a language that is not susceptible to these issues.
Mitigation
Architecture and Design
Mitigating technologies such as safe string libraries and container abstractions could be introduced.
No CAPEC attack patterns related to this CWE.